€48.88 Ursprünglicher Preis war: €48.88€32.88Aktueller Preis ist: €32.88.
Precision is not optional when the line matters. The Platinum PRO-USE 171 (MSDA-3500B) is a professional-grade mechanical pencil engineered for designers, architects, illustrators, and draughtspeople who demand absolute control over every mark. The 0.5mm lead advances with a smooth, weighted mechanism balanced for extended technical use, while the all-metal construction eliminates the flex and imprecision of plastic-bodied pencils. This limited edition release introduces two refined colourways — Frost Gold and Frost Silver — a matte, satined finish that reduces glare under studio lighting and gives the PRO-USE 171 the understated authority of a premium instrument. Limited availability. Designed to be used seriously.
Made in Japan by Platinum Pen Co. — established 1919.
The standard PRO-USE 171 is already a benchmark professional instrument. The Frost Edition elevates it visually without compromising a single performance characteristic. The matte frosted finish on both Frost Gold and Frost Silver does three things: it eliminates the reflective glare of polished metal under bright studio or drafting table lighting; it adds a fine, tactile texture that improves grip security on the barrel (not just the knurled section); and it gives the pencil a quiet, considered aesthetic that sits naturally alongside high-end design tools.
The PRO-USE series is Platinum’s professional drafting line — a range designed not for occasional use but for sustained, demanding technical work. Key engineering decisions that distinguish it from consumer-grade mechanical pencils include: a fixed, non-retractable lead pipe designed to allow precise placement of the lead tip against a straight edge or template; a knurled metal grip that maintains secure contact through long sessions without hand fatigue; and a weighted all-metal body that eliminates barrel flex and provides the consistent downward resistance that professional draughtspeople train their hand around. If you have ever worked with a serious drafting pencil and then returned to a plastic-bodied consumer model, you understand exactly what this difference means in practice.
A: The MSDA-3500B is available in two limited edition colourways: Frost Gold and Frost Silver. Both feature a matte frosted finish exclusive to this edition. As a limited release, stock is not guaranteed to be replenished once sold through. Select your preferred colour from the options above before adding to cart.
A: The MSDA-3500B uses 0.5mm diameter lead — the most widely available mechanical pencil lead size. It is compatible with all standard 0.5mm leads from any brand, in any grade (HB, H, 2H, B, 2B, etc.). Specialty leads including coloured, non-photo blue, and technical grades are all compatible.
A: Several engineering decisions distinguish the PRO-USE 171 from consumer-grade pencils: a full metal body with no plastic barrel flex; a fixed lead pipe (non-retractable) for precision placement against rules and templates; a knurled metal grip for secure hold without rubber; and a weighted, balanced construction calibrated for professional drafting use. It is a tool designed for sustained technical work, not occasional use.
A: The frosted finish is a fine matte surface treatment applied to the metal barrel. It is smooth to the touch but non-reflective, and it adds a subtle tactile texture to the barrel surface beyond the knurled grip zone. It does not peel, chip, or fade under normal use, and it significantly reduces studio glare compared to polished metal finishes.
A: The PRO-USE 171 features a fixed, non-retractable lead pipe — a deliberate design choice for professional drafting use. The fixed pipe allows the pencil tip to be precisely positioned against a straight edge, template, or ruler without the lead pipe moving during use. A protective cap is included for safe transport and storage.
A: Yes. The PRO-USE 171 includes a small built-in eraser under the top cap. Replacement erasers are available separately and are compatible with standard 0.5mm mechanical pencil eraser refills.
A: For technical drafting and precise line work, H or 2H grades are recommended — harder leads maintain a finer point for longer and produce cleaner, lighter lines. For sketching, rendering, and expressive drawing, HB, B, or 2B grades provide more tonal range and a smoother mark. Many professionals keep multiple pencils loaded with different grades for different phases of their workflow.
A: The PRO-USE 171 competes directly with the Pentel GraphGear 1000 and Staedtler 925 35 in the professional drafting pencil category. All three are serious all-metal instruments with fixed lead pipes and knurled grips. Differences are largely in weight distribution, grip texture preference, and advance mechanism feel — each has a dedicated following among professionals. The PRO-USE 171 is particularly valued for its balanced weight and the quality of its advance mechanism. The limited edition Frost finish is exclusive to Platinum and not available on competing models.











